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20898848710560 = 2535229611896227
BaseRepresentation
bin1001100000001111001000…
…11101000001111110100000
32201222220120200220000200110
410300013210131001332200
510214401320232214220
6112240444253251320
74254614645011302
oct460074435017640
981886520800613
1020898848710560
1167281742a1057
122416406193b40
13b879a33a1b92
1452371c793972
15263961299be0
hex1301e4741fa0

20898848710560 has 96 divisors (see below), whose sum is σ = 65834275252032. Its totient is φ = 5572780666880.

The previous prime is 20898848710499. The next prime is 20898848710667. The reversal of 20898848710560 is 6501784889802.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 20898848710491 and 20898848710500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10073167 + ... + 11969393.

It is an arithmetic number, because the mean of its divisors is an integer number (685773700542).

Almost surely, 220898848710560 is an apocalyptic number.

20898848710560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20898848710560 is an abundant number, since it is smaller than the sum of its proper divisors (44935426541472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20898848710560 is a wasteful number, since it uses less digits than its factorization.

20898848710560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919206 (or 1919198 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 66.

The spelling of 20898848710560 in words is "twenty trillion, eight hundred ninety-eight billion, eight hundred forty-eight million, seven hundred ten thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 22961 45922 68883 91844 114805 137766 183688 229610 275532 344415 367376 459220 551064 688830 734752 918440 1102128 1377660 1836880 1896227 2204256 2755320 3673760 3792454 5510640 5688681 7584908 9481135 11021280 11377362 15169816 18962270 22754724 28443405 30339632 37924540 45509448 56886810 60679264 75849080 91018896 113773620 151698160 182037792 227547240 303396320 455094480 910188960 43539268147 87078536294 130617804441 174157072588 217696340735 261235608882 348314145176 435392681470 522471217764 653089022205 696628290352 870785362940 1044942435528 1306178044410 1393256580704 1741570725880 2089884871056 2612356088820 3483141451760 4179769742112 5224712177640 6966282903520 10449424355280 20898848710560